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There are many JavaScript frameworks that leverage HTML5. Paper.js is one of these frameworks that uses Document Object Model (DOM) to structure objects in an easy-to-understand manner. It offers creative and neat ways of doing lots of stuff on a Web browser that supports the <canvas> tag. It also offers a new and interesting approach to drawing vector graphics. The basic setup is shown below: <script src="js/paper.js" type="text/javascript"></script> <script src="js/main.js"...

Unlike scalar variables, which assign only a single value to a variable, an array variable can hold multiple values. Arrays are useful for holding values from database queries or web form entries, where each field (also called a “key”) holds a specific value. Let's take a look at how we define some of the arrays we use in PHP.Numbered Arrays. If the programmer does not specify a key for each value in the array, PHP automatically numbers the keys, starting from zero. This code defines an array $arrMonths[],...

In our last lesson, we saw many of the most basic build-time errors in C#. In this session, we will look at some of the errors related to: classes subclasses inheritance Once we address some of the more common errors we will take a look at how you can fix them. #1 Hidden Method Name Creates Overload ... This conflict arises when a base class and its subclass have a function of the same name public class MyBaseClass { public void Function() { // function code goes here } { public class MySubClass : MyBaseClass...